208514680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15287}}^1$

素因数の和:15340

約数の個数: 64

約数和(自身を含む): 528353280

約数和(自身を除く): 319838600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 13640, 15287, 30574, 61148, 76435, 122296, 152870, 168157, 305740, 336314, 473897, 611480, 672628, 840785, 947794, 1345256, 1681570, 1895588, 2369485, 3363140, 3791176, 4738970, 5212867, 6726280, 9477940, 10425734, 18955880, 20851468, 26064335, 41702936, 52128670, 104257340, 208514680]

約数ペア:

[(1, 208514680), (2, 104257340), (4, 52128670), (5, 41702936), (8, 26064335), (10, 20851468), (11, 18955880), (20, 10425734), (22, 9477940), (31, 6726280), (40, 5212867), (44, 4738970), (55, 3791176), (62, 3363140), (88, 2369485), (110, 1895588), (124, 1681570), (155, 1345256), (220, 947794), (248, 840785), (310, 672628), (341, 611480), (440, 473897), (620, 336314), (682, 305740), (1240, 168157), (1364, 152870), (1705, 122296), (2728, 76435), (3410, 61148), (6820, 30574), (13640, 15287)]